20298271401 has 12 divisors (see below), whose sum is σ = 29332688112. Its totient is φ = 13526198136.

The previous prime is 20298271393. The next prime is 20298271451. The reversal of 20298271401 is 10417289202.

It is not a de Polignac number, because 20298271401 - 2³ = 20298271393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20298271451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477031 + ... + 517836.

It is an arithmetic number, because the mean of its divisors is an integer number (2444390676).

Almost surely, 2^20298271401 is an apocalyptic number.

It is an amenable number.

20298271401 is a deficient number, since it is larger than the sum of its proper divisors (9034416711).

20298271401 is a wasteful number, since it uses less digits than its factorization.

20298271401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997140 (or 997137 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 20298271401 in words is "twenty billion, two hundred ninety-eight million, two hundred seventy-one thousand, four hundred one".